Kipkoech is a given name of Kenyan origin meaning "(male) born in the morning". Son/daughters of Kipkoech would then be named "Koech" as their last name and given their individual given names; achieved by just removing the prefix "kip" as it happens to most other similar names that start with 'Kip" from that particular community or whoever understands the meaning and ways to inherit the name.
Benjamin Kipkoech Limo (born 1974), Kenyan track runner and 2005 world champion over 5000 metresElisha Kipkoech Tanui (born 1983), Kenyan ultra-distance runnerJohn Kipkoech (born 1991), Kenyan 5000 metres runnerJohnstone Kipkoech (born 1968), Kenyan long-distance runnerJosphat Bett Kipkoech (born 1990), Kenyan long-distance runnerMathew Kipkoech Kisorio (born 1988), Kenyan half marathon runnerPaul Kipkoech (1963–1995), Kenyan long-distance runnerRobert Kipkoech Cheruiyot (born 1978), Kenyan marathon runner and four-time Boston Marathon winnerWilfred Kipkoech Taragon (born 1985), Kenyan half marathon runnerKipkoech Cheruiyot (born 1964), Kenyan middle-distance runner